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Bellido Nicolas038c5b62005-06-20 18:51:05 +01001/*
2 * linux/include/asm-arm/arch-aaec2000/uncompress.h
3 *
4 * Copyright (c) 2005 Nicolas Bellido Y Ortega
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10
11#ifndef __ASM_ARCH_UNCOMPRESS_H
12#define __ASM_ARCH_UNCOMPRESS_H
13
14#include "hardware.h"
15
16#define UART(x) (*(volatile unsigned long *)(serial_port + (x)))
17
Russell Kinga0815682006-03-28 10:24:33 +010018static void putc(int c)
Bellido Nicolas038c5b62005-06-20 18:51:05 +010019{
20 unsigned long serial_port;
21 do {
22 serial_port = _UART3_BASE;
23 if (UART(UART_CR) & UART_CR_EN) break;
24 serial_port = _UART1_BASE;
25 if (UART(UART_CR) & UART_CR_EN) break;
26 serial_port = _UART2_BASE;
27 if (UART(UART_CR) & UART_CR_EN) break;
28 return;
29 } while (0);
30
Russell Kinga0815682006-03-28 10:24:33 +010031 /* wait for space in the UART's transmitter */
32 while ((UART(UART_SR) & UART_SR_TxFF))
33 barrier();
34
35 /* send the character out. */
36 UART(UART_DR) = c;
37}
38
39static inline void flush(void)
40{
Bellido Nicolas038c5b62005-06-20 18:51:05 +010041}
42
43#define arch_decomp_setup()
44#define arch_decomp_wdog()
45
46#endif /* __ASM_ARCH_UNCOMPRESS_H */